GLM-5.3-FlashX
Model ID: glm-5.3-flashx
Capabilities
Text
Pricing
Effective since 2026-09-23
| Item | Price |
|---|---|
| Input / 1M tokens | 0.259 USD · Official 0.37 USD · Save 30% vs official |
| Output / 1M tokens | 0.875 USD · Official 1.25 USD · Save 30% vs official |
| Cache read / 1M tokens | 0.0525 USD · Official 0.075 USD · Save 30% vs official |
Reasoning effort
The platform handles reasoning in two steps: it turns each client's setting into one level, then sends a level the upstream accepts. A level the upstream rejects becomes the next higher accepted level, or its highest one; rewrites show up in usage records.
Client setting → platform level
| Client and API | Sent as | Platform level |
|---|---|---|
| Codex · Responses | reasoning.effort |
same value |
| OpenCode / pi / Hermes · Chat | reasoning_effort |
same value |
| Claude Code · Anthropic | thinking.type=enabled, budget_tokens 1–512 |
minimal |
| Claude Code · Anthropic | budget_tokens 513–1024 |
low |
| Claude Code · Anthropic | budget_tokens 1025–8192 |
medium |
| Claude Code · Anthropic | budget_tokens 8193–24576 |
high |
| Claude Code · Anthropic | budget_tokens above 24576 |
xhigh |
| Claude Code · Anthropic | thinking.type=enabled without budget_tokens |
auto |
| Claude Code · Anthropic | thinking.type=adaptive with output_config.effort |
the output_config.effort value |
| Claude Code · Anthropic | thinking.type=adaptive without an effort |
xhigh |
| Claude Code · Anthropic | thinking.type=disabled |
none |
| Gemini · generateContent | thinkingConfig.thinkingLevel |
same value |
| Gemini · generateContent | thinkingConfig.thinkingBudget |
budget ranges above; -1 is auto, 0 is none |
Platform level → level sent upstream
| Platform level | Sent upstream |
|---|---|
none |
Reasoning cannot be turned off; returns 422 model.reasoning_off_unsupported |
minimal |
low |
low |
low |
medium |
high |
high |
high |
xhigh |
max |
max |
max |
auto |
high |
Usage
OpenAI-compatible base URL https://omnimodel.me/v1, set model to glm-5.3-flashx.